non-specific - like lactoferrin, lysozyme and bifidus factors which either make human milk a poor medium for bacterial survival or make the intestine unsuitable for the growth of pathogenic agents. (rehydrate.org)
The lapses at the world - renowned infectious disease research agency are sure to raise questions about safety at other labs studying highly pathogenic agents, including university labs that are modifying influenza strains to make them more virulent. (sciencemag.org)
According to one idea under discussion, for example, it provides protection against pathogenic agents. (sciencedaily.com)